package com.example.room;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;


import java.util.List;

public class WordListAdapter extends RecyclerView.Adapter<WordListAdapter.WordViewHolder> {
    private final LayoutInflater inflater;
    private List<Word> words;

    public WordListAdapter(Context context) {
       this.inflater=LayoutInflater.from(context);
    }

    @NonNull

    @Override
    public WordViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
      View inflate=  inflater.inflate(R.layout.recyclerview_item,parent,false);
        WordViewHolder wordViewHolder=new WordViewHolder(inflate);
        return wordViewHolder;
    }

    @Override
    public void onBindViewHolder(WordListAdapter.WordViewHolder holder, int position) {
        if(words!=null){
            Word word=words.get(position);
            holder.textView.setText(word.mWord);
        }else {
            holder.textView.setText("没有单词");
        }
    }
public void setWords(List<Word> words){
        this.words=words;
}
    @Override
    public int getItemCount() {
        if(words!=null){
        return words.size();
        }
        return 0;

    }


    class WordViewHolder extends RecyclerView.ViewHolder{
        private final TextView textView;
        public WordViewHolder(View itemView){
            super(itemView);
            textView=itemView.findViewById(R.id.textView);
        }
    }
}
